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Polarization conversion element, polarization conversion unit, projection apparatus, and method for manufacturing polarization conversion element having a thin ultraviolet light curing adhesive layer
Polarization conversion element, polarization conversion unit, projection apparatus, and method for manufacturing polarization conversion element having a thin ultraviolet light curing adhesive layer
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机译:偏振转换元件,偏振转换单元,投影设备以及具有薄的紫外光固化粘合剂层的偏振转换元件的制造方法
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摘要
A polarization conversion element is equipped with an element main body having a light incident surface and a light emission surface that are generally in parallel with each other, and a phase difference plate bonded to the light emission surface of the element main body. The element main body includes a plurality of light-transmissive substrates that are sequentially bonded at a predetermined angle with respect to the light emission surface, polarization separating films and reflection films that are alternately provided between the plurality of light-transmissive substrates, and adhesive layers formed between the plurality of light-transmissive substrates, respectively. The adhesive layers are each formed from ultraviolet light curing adhesive to a thickness between 5 μm and 10 μm.
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